/* ===============================================
   ARCHITECTURAL STUDIO - INDUSTRIAL RED & CHARCOAL THEME
   Primary Color: #D32F2F (Industrial Red)
   Secondary Color: #424242 (Charcoal)
   =============================================== */

/* ===== ROOT VARIABLES ===== */
:root {
  --primary-red: #D32F2F;
  --primary-red-dark: #B71C1C;
  --primary-red-light: #E57373;
  --secondary-charcoal: #424242;
  --charcoal-dark: #212121;
  --charcoal-light: #616161;
  --white: #FFFFFF;
  --off-white: #F5F5F5;
  --text-light: #E0E0E0;
  --shadow-sm: 0 2px 8px rgba(211, 47, 47, 0.1);
  --shadow-md: 0 4px 16px rgba(211, 47, 47, 0.15);
  --shadow-lg: 0 8px 32px rgba(211, 47, 47, 0.2);
  --transition-base: all 0.3s ease;
  --transition-slow: all 0.5s ease;
}

/* ===== GLOBAL STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--off-white) !important;
  color: var(--charcoal-dark) !important;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--charcoal-dark) !important;
}

.display-2, .display-3, .display-4, .display-5, .display-6 {
  font-weight: 800 !important;
  letter-spacing: -0.02em;
}

.lead {
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--charcoal-light) !important;
}

/* ===== NAVBAR ===== */
.navbar {
  background: linear-gradient(135deg, var(--charcoal-dark) 0%, var(--secondary-charcoal) 100%) !important;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
  padding: 1rem 0;
  transition: var(--transition-base);
  z-index: 1050;
}

.navbar.scrolled {
  padding: 0.5rem 0;
  background: var(--charcoal-dark) !important;
}

.navbar-brand {
  font-size: 1.5rem;
  color: var(--white) !important;
  letter-spacing: 0.5px;
  transition: var(--transition-base);
}

.navbar-brand:hover {
  color: var(--primary-red) !important;
  transform: translateY(-2px);
}

.navbar-brand .fas {
  color: var(--primary-red) !important;
  font-size: 1.8rem;
  filter: drop-shadow(0 0 10px rgba(211, 47, 47, 0.5));
}

.navbar-dark .navbar-nav .nav-link {
  color: var(--text-light) !important;
  font-weight: 500;
  padding: 0.5rem 1.2rem !important;
  margin: 0 0.2rem;
  border-radius: 6px;
  transition: var(--transition-base);
  position: relative;
}

.navbar-dark .navbar-nav .nav-link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: var(--primary-red);
  transition: var(--transition-base);
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link.active {
  color: var(--white) !important;
  background-color: rgba(211, 47, 47, 0.2) !important;
  transform: translateY(-2px);
}

.navbar-dark .navbar-nav .nav-link:hover::before,
.navbar-dark .navbar-nav .nav-link.active::before {
  width: 80%;
}

.navbar-toggler {
  border: 2px solid var(--primary-red) !important;
  padding: 0.5rem 0.75rem;
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.25rem rgba(211, 47, 47, 0.3) !important;
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23D32F2F' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

/* ===== HERO SECTION ===== */
.hero-section {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--charcoal-dark) 0%, var(--secondary-charcoal) 50%, var(--charcoal-light) 100%);
  position: relative;
  padding-top: 80px;
  display: flex;
  align-items: center;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,%3Csvg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="none" fill-rule="evenodd"%3E%3Cg fill="%23D32F2F" fill-opacity="0.05"%3E%3Cpath d="M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z"/%3E%3C/g%3E%3C/g%3E%3C/svg%3E');
  opacity: 0.4;
}

.hero-section .position-absolute {
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 10;
  animation: fadeInUp 1s ease-out;
}

.hero-content .display-2 {
  color: var(--white) !important;
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
  font-weight: 900 !important;
  line-height: 1.1;
  margin-bottom: 1.5rem !important;
}

.hero-content .lead {
  color: var(--text-light) !important;
  font-size: 1.3rem !important;
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.4);
  margin-bottom: 2rem !important;
}

.hero-content .d-flex {
  gap: 1rem;
}

/* ===== BUTTONS ===== */
.btn {
  font-weight: 600 !important;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: none !important;
  transition: var(--transition-base) !important;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
  z-index: -1;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn-lg {
  padding: 1rem 2.5rem !important;
  font-size: 1rem !important;
  border-radius: 8px !important;
}

.btn-primary,
.btn.bg-primary,
.btn[class*="btn-"]:not(.btn-light):not(.btn-outline):not(.btn-dark):not(.btn-sm):not(.btn-success) {
  background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-dark) 100%) !important;
  color: var(--white) !important;
  box-shadow: 0 4px 15px rgba(211, 47, 47, 0.4);
}

.btn-primary:hover,
.btn.bg-primary:hover {
  background: linear-gradient(135deg, var(--primary-red-dark) 0%, #8B0000 100%) !important;
  color: var(--white) !important;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(211, 47, 47, 0.6) !important;
}

.btn-dark {
  background: linear-gradient(135deg, var(--secondary-charcoal) 0%, var(--charcoal-dark) 100%) !important;
  color: var(--white) !important;
  box-shadow: 0 4px 15px rgba(66, 66, 66, 0.4);
}

.btn-dark:hover {
  background: linear-gradient(135deg, var(--charcoal-dark) 0%, #000000 100%) !important;
  color: var(--white) !important;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(66, 66, 66, 0.6) !important;
}

.btn-outline-light {
  border: 2px solid var(--white) !important;
  color: var(--white) !important;
  background: transparent !important;
}

.btn-outline-light:hover {
  background: var(--white) !important;
  color: var(--charcoal-dark) !important;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.4) !important;
}

.btn-outline-dark {
  border: 2px solid var(--secondary-charcoal) !important;
  color: var(--secondary-charcoal) !important;
  background: transparent !important;
}

.btn-outline-dark:hover {
  background: var(--secondary-charcoal) !important;
  color: var(--white) !important;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(66, 66, 66, 0.4) !important;
}

.btn-light {
  background: var(--white) !important;
  color: var(--charcoal-dark) !important;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn-light:hover {
  background: var(--off-white) !important;
  color: var(--primary-red) !important;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2) !important;
}

.btn-sm {
  padding: 0.5rem 1.5rem !important;
  font-size: 0.875rem !important;
  border-radius: 6px !important;
}

.btn-success {
  background: linear-gradient(135deg, #4CAF50 0%, #2E7D32 100%) !important;
  color: var(--white) !important;
}

.btn-success:hover {
  background: linear-gradient(135deg, #2E7D32 0%, #1B5E20 100%) !important;
  color: var(--white) !important;
}

/* ===== EMERGENCY BANNER ===== */
.emergency-banner {
  background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-dark) 100%);
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
  animation: pulse 2s infinite;
}

.emergency-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  animation: rotate 10s linear infinite;
}

.emergency-banner * {
  color: var(--white) !important;
  position: relative;
  z-index: 1;
}

.emergency-banner .fa-exclamation-triangle,
.emergency-banner .bi-exclamation-triangle-fill {
  animation: shake 1s infinite;
}

/* ===== PHONE RING ANIMATION ===== */
.phone-ring,
.fa-phone-alt,
.fa-phone,
.fa-phone-volume,
.bi-telephone-fill,
.bi-phone-vibrate {
  animation: ring 1.5s infinite;
  display: inline-block;
}

@keyframes ring {
  0%, 100% { transform: rotate(0deg); }
  10%, 30% { transform: rotate(-15deg); }
  20%, 40% { transform: rotate(15deg); }
  50% { transform: rotate(0deg); }
}

/* ===== ANIMATE BOUNCE ===== */
.animate-bounce {
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

/* ===== SERVICE CARDS ===== */
.service-card {
  background: var(--white);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
  border: 2px solid transparent;
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-red) 0%, var(--primary-red-light) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition-base);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-red);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card .fas,
.service-card .bi {
  color: var(--primary-red) !important;
  margin-bottom: 1rem;
  transition: var(--transition-base);
}

.service-card:hover .fas,
.service-card:hover .bi {
  transform: scale(1.2) rotate(5deg);
}

.service-card h3,
.service-card h4,
.service-card h5 {
  color: var(--charcoal-dark) !important;
  margin-bottom: 1rem;
}

.service-card p {
  color: var(--charcoal-light) !important;
  flex-grow: 1;
}

/* ===== CARD STYLES ===== */
.card {
  border: none !important;
  border-radius: 12px !important;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
}

.card-body {
  padding: 2rem !important;
}

.card-header {
  background: linear-gradient(135deg, var(--secondary-charcoal) 0%, var(--charcoal-dark) 100%) !important;
  color: var(--white) !important;
  border: none !important;
  padding: 1.5rem !important;
  font-weight: 600;
}

.card-title {
  color: var(--charcoal-dark) !important;
  font-weight: 700;
  margin-bottom: 1rem;
}

.card-text {
  color: var(--charcoal-light) !important;
}

.card-img-top {
  transition: var(--transition-slow);
}

.card:hover .card-img-top {
  transform: scale(1.1);
}

/* ===== SECTIONS ===== */
section {
  padding: 5rem 0;
  position: relative;
}

.py-5 {
  padding: 5rem 0 !important;
}

.bg-light {
  background-color: var(--off-white) !important;
}

.bg-white {
  background-color: var(--white) !important;
}

.bg-dark {
  background: linear-gradient(135deg, var(--charcoal-dark) 0%, var(--secondary-charcoal) 100%) !important;
  color: var(--white) !important;
}

.bg-dark * {
  color: var(--white) !important;
}

.text-dark {
  color: var(--charcoal-dark) !important;
}

.text-white {
  color: var(--white) !important;
}

.text-muted {
  color: var(--charcoal-light) !important;
}

/* ===== IMAGES ===== */
.img-fluid {
  border-radius: 12px;
  transition: var(--transition-slow);
}

.shadow-lg {
  box-shadow: var(--shadow-lg) !important;
}

.shadow,
.shadow-sm {
  box-shadow: var(--shadow-sm) !important;
}

/* ===== ICONS ===== */
.fas,
.bi {
  transition: var(--transition-base);
}

.fa-check-circle,
.bi-check-circle-fill,
.bi-patch-check-fill {
  color: var(--primary-red) !important;
}

.fa-shield-alt,
.bi-shield-fill-check,
.bi-shield-check {
  color: var(--primary-red) !important;
}

/* ===== BADGES ===== */
.badge {
  background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-dark) 100%) !important;
  color: var(--white) !important;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-weight: 600;
}

/* ===== FORMS ===== */
.form-label {
  color: var(--charcoal-dark) !important;
  font-weight: 600 !important;
  margin-bottom: 0.5rem;
}

.form-control,
.form-select {
  border: 2px solid var(--charcoal-light) !important;
  border-radius: 8px !important;
  padding: 0.75rem 1rem !important;
  transition: var(--transition-base) !important;
  background-color: var(--white) !important;
  color: var(--charcoal-dark) !important;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary-red) !important;
  box-shadow: 0 0 0 0.25rem rgba(211, 47, 47, 0.25) !important;
  background-color: var(--white) !important;
}

.form-control::placeholder {
  color: var(--charcoal-light) !important;
  opacity: 0.6;
}

.form-check-input {
  border: 2px solid var(--charcoal-light) !important;
  transition: var(--transition-base);
}

.form-check-input:checked {
  background-color: var(--primary-red) !important;
  border-color: var(--primary-red) !important;
}

.form-check-input:focus {
  box-shadow: 0 0 0 0.25rem rgba(211, 47, 47, 0.25) !important;
}

.form-check-label {
  color: var(--charcoal-dark) !important;
}

.invalid-feedback {
  color: var(--primary-red) !important;
  font-weight: 500;
}

.form-control.is-invalid {
  border-color: var(--primary-red) !important;
}

/* ===== ALERTS ===== */
.alert {
  border: none !important;
  border-radius: 8px !important;
  padding: 1rem 1.5rem !important;
  box-shadow: var(--shadow-sm);
}

.alert-success {
  background: linear-gradient(135deg, #4CAF50 0%, #2E7D32 100%) !important;
  color: var(--white) !important;
}

.alert-success * {
  color: var(--white) !important;
}

/* ===== ACCORDION ===== */
.accordion-item {
  border: none !important;
  margin-bottom: 1rem;
  border-radius: 8px !important;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.accordion-button {
  background: var(--white) !important;
  color: var(--charcoal-dark) !important;
  font-weight: 600 !important;
  padding: 1.25rem 1.5rem !important;
  border: none !important;
  box-shadow: none !important;
}

.accordion-button:not(.collapsed) {
  background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-dark) 100%) !important;
  color: var(--white) !important;
}

.accordion-button::after {
  filter: brightness(0) invert(0);
}

.accordion-button:not(.collapsed)::after {
  filter: brightness(0) invert(1);
}

.accordion-button:focus {
  box-shadow: none !important;
}

.accordion-body {
  padding: 1.5rem !important;
  background: var(--white) !important;
  color: var(--charcoal-light) !important;
}

/* ===== LIST STYLES ===== */
.list-unstyled li {
  margin-bottom: 1rem;
  padding-left: 2rem;
  position: relative;
}

.list-unstyled li::before {
  content: '\f00c';
  font-family: 'Font Awesome 5 Free';
  font-weight: 900;
  position: absolute;
  left: 0;
  color: var(--primary-red);
}

/* ===== BORDERS ===== */
.border-top {
  border-top: 1px solid rgba(66, 66, 66, 0.2) !important;
}

.border-bottom {
  border-bottom: 1px solid rgba(66, 66, 66, 0.2) !important;
}

.border-start {
  border-left: 3px solid var(--primary-red) !important;
}

.border-end {
  border-right: 1px solid rgba(66, 66, 66, 0.1) !important;
}

.border-3 {
  border-width: 3px !important;
}

/* ===== POSITION UTILITIES ===== */
.position-sticky {
  position: sticky !important;
  top: 100px;
  z-index: 10;
}

/* ===== FOOTER ===== */
footer {
  background: linear-gradient(135deg, var(--charcoal-dark) 0%, #000000 100%);
  color: var(--text-light) !important;
  padding: 3rem 0 1rem;
  margin-top: 5rem;
}

footer * {
  color: var(--text-light) !important;
}

footer a {
  text-decoration: none !important;
  transition: var(--transition-base);
}

footer a:hover {
  color: var(--primary-red) !important;
  transform: translateX(5px);
}

footer .fas,
footer .bi {
  color: var(--primary-red) !important;
  margin-right: 0.5rem;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(211, 47, 47, 0.7);
  }
  50% {
    box-shadow: 0 0 0 20px rgba(211, 47, 47, 0);
  }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px) rotate(-5deg); }
  75% { transform: translateX(5px) rotate(5deg); }
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ===== SCROLL ANIMATIONS ===== */
.fade-in {
  animation: fadeIn 0.8s ease-out;
}

.slide-in-left {
  animation: slideInLeft 0.8s ease-out;
}

.slide-in-right {
  animation: slideInRight 0.8s ease-out;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: var(--charcoal-dark);
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1rem;
    box-shadow: var(--shadow-lg);
  }
  
  .navbar-nav {
    gap: 0.5rem;
  }
  
  .hero-section {
    min-height: auto;
    padding: 100px 0 50px;
  }
  
  .display-2 {
    font-size: 2.5rem !important;
  }
  
  .display-3 {
    font-size: 2.2rem !important;
  }
  
  .display-4 {
    font-size: 2rem !important;
  }
  
  .display-5 {
    font-size: 1.8rem !important;
  }
  
  .display-6 {
    font-size: 1.5rem !important;
  }
  
  .btn-lg {
    padding: 0.875rem 2rem !important;
    font-size: 0.95rem !important;
  }
  
  section {
    padding: 3rem 0;
  }
  
  .py-5 {
    padding: 3rem 0 !important;
  }
  
  .position-sticky {
    position: relative !important;
    top: auto;
  }
}

@media (max-width: 767.98px) {
  .display-2 {
    font-size: 2rem !important;
  }
  
  .lead {
    font-size: 1.1rem !important;
  }
  
  .btn-lg {
    padding: 0.75rem 1.5rem !important;
    font-size: 0.9rem !important;
  }
  
  .d-flex.gap-3,
  .d-flex.gap-4 {
    gap: 0.75rem !important;
  }
  
  .service-card {
    margin-bottom: 1.5rem;
  }
  
  .px-4 {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }
}

@media (max-width: 575.98px) {
  .hero-content .d-flex {
    flex-direction: column;
    align-items: stretch;
  }
  
  .btn {
    width: 100%;
    text-align: center;
  }
  
  .emergency-banner {
    padding: 1rem;
  }
  
  .card-body {
    padding: 1.5rem !important;
  }
}

/* ===== UTILITY OVERRIDES ===== */
.opacity-75 {
  opacity: 0.75 !important;
}

.rounded {
  border-radius: 8px !important;
}

.rounded-circle {
  border-radius: 50% !important;
}

.d-inline-flex {
  display: inline-flex !important;
}

.text-decoration-none {
  text-decoration: none !important;
}

/* ===== HOVER EFFECTS ===== */
a:not(.btn) {
  color: var(--primary-red) !important;
  text-decoration: none;
  transition: var(--transition-base);
}

a:not(.btn):hover {
  color: var(--primary-red-dark) !important;
  text-decoration: underline;
}

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 12px;
}

::-webkit-scrollbar-track {
  background: var(--off-white);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--primary-red) 0%, var(--primary-red-dark) 100%);
  border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-red-dark);
}

/* ===== LOADING STATES ===== */
.loading {
  pointer-events: none;
  opacity: 0.6;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 3px solid var(--white);
  border-top-color: var(--primary-red);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ===== PRINT STYLES ===== */
@media print {
  .navbar,
  .btn,
  footer {
    display: none !important;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
}